/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso;

/**
 * ISOFieldPackager CHARACTERS (ASCII & BINARY)
 * EBCDIC version of IF_CHAR
 *
 * @author apr@cs.com.uy
 * @version $Id$
 * @see IF_CHAR
 * @see ISOComponent
 * @deprecated Use IFE_CHAR instead
 */
public class IF_ECHAR extends ISOFieldPackager {
	public IF_ECHAR() {
		super();
	}

	/**
	 * @param len         - field len
	 * @param description symbolic descrption
	 */
	public IF_ECHAR(int len, String description) {
		super(len, description);
	}

	/**
	 * @param c - a component
	 * @return packed component
	 * @throws ISOException
	 */
	public byte[] pack(ISOComponent c) throws ISOException {
		String s = ISOUtil.strpad((String) c.getValue(), getLength());
		return ISOUtil.asciiToEbcdic(s);
	}

	/**
	 * @param c      - the Component to unpack
	 * @param b      - binary image
	 * @param offset - starting offset within the binary image
	 * @return consumed bytes
	 * @throws ISOException
	 */
	public int unpack(ISOComponent c, byte[] b, int offset)
			throws ISOException {
		c.setValue(ISOUtil.ebcdicToAscii(b, offset, getLength()));
		return getLength();
	}

	public int getMaxPackedLength() {
		return getLength();
	}
}
